<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .box {
        width: 200px;
        height: 200px;
        margin: 1em auto;
        display: block;
      }
    </style>
    <style>
      /* 在这里完成作业 */
      .box {
        box-shadow: 0 0 5px 10px #fff, 0 0 30px 20px #00000080;
        border-radius: 50%;
      }
    </style>
  </head>
  <body>
    <img class="box" src="./doge.jpeg" />
  </body>
</html>

